Portable and disposable living-grass pet toilet

ABSTRACT

A portable, fully-disposable, pet toilet is comprised of a receptacle whose cavity is fitted with living grass, living sod (including washed or soil-free sod), or a grass-seed medium. The unit has a fitted, removable cover or fold-back lid to enable the convenient shipping and disposal of the unit in its entirety. The pet toilet is used by the pet for a set period of time, at which point it is completely disposed of and replaced with a new one.

CLAIM OF PRIOR APPLICATION FILING DATE

Claim of Priority: This Continuation Application claims priority through and the benefits of Provisional Patent Application Ser. No. 61/361554, which was filed on Jul. 6, 2010 for a utility patent, and application Ser. No. 13/175,869, entitled a “Portable and Disposable Living-Grass Pet Toilet,” which was filed Jul. 3, 2011 for a utility patent, was published on Jan. 12, 2012 as Publication No. U.S. 2012/0006274 A1, Art Unit 3643 (attached), and was approved for an allowance. The Parent Application has undergone amendments, as noted on the USPTO website. This Continuing Application incorporates, by reference, all of these patent documents and related documents in their entirety, including the Specification of the Parent application Ser. No. 13/175,869. The Parent application Ser. No. 13/175,869, as amended, has been granted an allowance and is scheduled to issue.

Inventor: I declare that I, Andrew Craghan Feld, currently residing at 630 Huckleberry Rd, Davenport, Fla. (formerly at 8858 Dickens Ave, Surfside, Fla.) am the sole applicant and inventor on this Continuing Application, and that I am also the sole applicant and inventor on the Parent application Ser. No. 13/175,869. I declare, under penalty of perjury, that the foregoing statement is true and correct.

BACKGROUND OF THE INVENTION

This invention relates generally to pet waste receptacles. More specifically, the invention constitutes a portable and fully-disposable receptacle that is impermeable to liquids and is fitted with living grass.

The portable and disposable living-grass pet toilet solves one of the most annoying and daunting problems faced by pet owners—dealing with a pet's bodily wastes. Owners who must leave their dogs unattended at home for long periods of time have few options for meeting their dog's elimination needs. Moreover, walking dogs in the rain or late at night are situations that most pet owners would like to avoid if at all possible for reasons of comfort and personal security. The limited mobility of older dog owners, as well as old or injured dogs, can also make dealing with pet waste a difficult issue. Individuals who live in apartment buildings can also find it inconvenient to walk their dogs frequently. To address these types of problems, others have proposed devices that allow dogs to relieve themselves indoors, as the need arises, without being taken on an outdoor walk by their owners. Examples include the following:

U.S. Pat. No. 3,752,121 to Brazzell discloses an animal toilet using synthetic grass and a disposable and absorbent pad for absorbing waste. The absorbent pad must be manually replaced and the synthetic grass cleaned and disinfected as bacteria will build up over time.

U.S. Pat. No. 1,0880,285 to Hillman discloses a rigid mesh screen atop a urine collection chamber. Urine collects at the base of the tray and is manually disposed of by the owner as needed.

U.S. Pat. No. 6,079,363 to MacLaine discloses a live grass mat that is supported by a permanent container that holds a reservoir of water. Over time, dog urine will kill the live grass, making it necessary to change out and replace the grass. This is often a messy and unpleasant job for the dog owner.

While these and similar types of devices provide a means to collect pet waste indoors, they suffer from a number of disadvantages. When a permanent, reusable container holds non-perishable materials (artificial grass or screens), the pet owner must periodically clean and/or disinfect the entire container, its base, and/or some of its permanent component parts to prevent odor and bacterial build-up. Alternatively, if a permanent, reusable container holds living grass, the grass must be changed out and replaced. When living grass is handled in this manner it can be an inconvenient, messy, and burdensome task.

In contrast, this invention is distinctively different from and more advantageous than other pet toilets in that it constitutes an integrated, fully-disposable unit, which is formed by fitting a disposable receptacle that is impermeable to liquids with living grass. The unit has no permanent base or non-perishable components, such as artificial grass or grates, which need to be cleaned and/or disinfected. The unit has no urine-filled parts that need to be removed from the permanent container and replaced. Instead, the integrated unit described herein is conveniently transported and disposed of, in its entirety. Convenience is a hallmark of this invention because there is no maintenance.

BRIEF SUMMARY OF THE INVENTION

The invention is a unit consisting of two main parts: (1) a fully-disposable integrated unit impermeable to liquids, and (2) a piece of living grass, living sod (including washed or soil-free sod), or a medium containing and germinating grass seeds, said grass being fitted within the unit's cavity. It is the integration of these elements into a fully-disposable and easy to ship unit that constitutes the invention.

A portable, fully-disposable in-door pet toilet is provided, which integrates several features into a single unit. It includes a receptacle made from or coated with an impermeable material. It has a plurality of sidewalls that rise from the base of the receptacle and connect to form an internal cavity into which a piece of living grass is fitted for the purpose of collecting the bodily waste of pets. It has a fitted, removable or fold-back cover that facilitates the unit's transport and disposability. The unit can be placed on a level surface—such as a floor—within a home, patio or balcony for convenient access by pets. Designed for delivery to customers at regular, specified intervals, the portable, fully-disposable, integrated unit does not require the emptying of catchment trays, or the cleaning and/or disinfection of any artificial components, or the replacement of any component parts. The integrated unit is designed to be delivered in its entirety and to be discarded in its entirety when the shipment of a new unit arrives.

BRIEF DESCRIPTION OF THE DRAWINGS

The features and advantages of this invention are better understood with regard to the following drawings. The drawings consist of the following:

FIG. 1 provides three-dimensional side views with a slight diagonal perspective of the entire pet toilet and its removable parts.

FIG. 2 is a three-dimensional side view, with a slight diagonal perspective, showing how the bases of two separate units can be joined together if optional perforations are removed and the bases are positioned so that they are abutting.

DETAILED DESCRIPTION OF THE INVENTION

As shown in FIG. 1, the living grass, 12 is fitted into the base of the unit 10, which has a fitted, removable lid 13. The base of the unit 10 may have one or more perforations that enable the removal of a piece of material from the side of the base 10 to provide an optional tear-out as shown by 11, or alternatively, an optional fold-down 11. The optional tear-outs or fold-downs can permit easy access to the grass for puppies and very small dogs.

As shown in FIG. 2, these tear-outs can also be used to join together the bases of two or more units 10 to create a surface area for larger dogs. For this purpose, clips or other devices may be included to secure two or more units together.

In FIG. 1, the unit's base 10 and/or cover 13 are constructed of or coated with a material that is impermeable to liquids. Corrugated cardboard with a wax coating could be used for this specific purpose. The surface of the base of the unit 10 may have a coating or sealant comprised of vitamins and/or other nutrients or substances that will help prolong the life of the living grass.

In FIG. 1, the preferred shape of the unit's base 10 and cover 13 is shown as a rectangle; however, other shapes are possible. The removable cover 13 or parts of the base 10 may have holes or perforations to foster air circulation during transport. When the unit is at the pet's location, the cover 13 is removed or folded over to allow the pet entry into the unit. When the unit is ready for disposal, the cover 13 is again placed over the unit's base 10 to provide extra assurance that the individual handling the unit will avoid messy and unpleasant conditions during the disposal process. The fully integrated unit 10, 12, 13 is then disposed of in its entirety.

An odor or liquid absorbing material or substance may be used between the base of the unit 10 and the living grass 12. The living grass 12 may be treated with an insect repellent and/or an odor suppressant. It may be treated with a substance(s) that breaks down urine and fecal matter.

A substance may be used to adhere the bottom of the living grass 12 to the base of the unit 10 so that it remains in place during shipment.

There are different methods to increase the amount of living grass 12 that can fit inside a pet toilet container. Living grass 12 may be affixed to both the inside of the base 10 and inside of the lid 13, creating two separate toilets that can be combined to form a larger area. Alternatively, a different style container may be used. One such style is a suitcase box that can carry a piece of grass that is folded over or rolled up during shipment. In such a design, the lid would fold out to become part of the base that contains the grass.

While the foregoing written description of the invention enables one of ordinary skill to make and use what is considered presently to be the best mode thereof, those of ordinary skill will understand and appreciate the existence of variations, combinations, and equivalents of the specific embodiment, method, and examples herein. The invention should therefore not be limited by the above described embodiment, method, and examples, but by all embodiments and methods within the scope and spirit of the invention as claimed. 

This Continuing Application submits the following additional claims as being consistent with and supported by the substance of disclosures in the Claims and Specification of the previous parent patent application Ser. No. 13/175,869 and its predecessor and related patent documents.
 1. A pet toilet unit construction and continuous delivery and replacement method comprising the steps of: constructing a pet toilet unit, wherein a single, integrated unit is created, said unit having: a receptacle made from, lined with, coated with or otherwise constructed, assembled or treated with a substance(s) or material(s) resistant to liquids, and one or more sidewalls that rise from the base of the receptacle and connect to form an internal cavity into which a piece of living grass is fitted for the purpose of collecting the bodily wastes of a pet, and a cover or shipping container that can be removed or folded back; and establishing a continuous delivery and replacement method for the continuous delivery and replacement of said pet toilet units, wherein each unit is constructed in a manner substantially similar to the unit previously described, and wherein said delivery and replacement can occur at regular, specified intervals so that at least one customer or pet owner can obtain an entirely new unit to replace a previously delivered unit, which can be discarded in its entirety when a new unit is delivered.
 2. The pet toilet unit construction and continuous delivery and replacement method according to claim 1, wherein at least one customer or pet owner who has obtained a new living-grass, fully-disposable pet toilet unit can obtain one or more replacement units, which are constructed in a manner substantially similar to said new unit; wherein at least that one customer or pet owner can continue to obtain said pet toilets units, which are constructed in a manner substantially similar to said pet toilet unit, through a continuous delivery and replacement system; and wherein the living-grass, fully-disposable pet toilet unit can be delivered to at least one customer in its entirety, can be discarded in its entirety, and can be replaced in its entirety when a new unit is delivered.
 3. The pet toilet unit construction and continuous delivery and replacement method according to claim 1, wherein the living-grass, fully-disposable pet toilet unit may be constructed in a rectangular shape or other shape; and wherein the unit may be constructed in a manner to hold a flat piece of grass, or constructed in a manner so that the living grass may be incorporated into the pet toilet unit in a folded-up or rolled-up state; wherein the unit may be constructed to hold a flat piece of grass, or grass seeds, a grass-seed medium, or any type of grass-predecessor; wherein the unit may be constructed to incorporate living sod, including washed or soil-free sod, a grass-seed medium, or other forms of living grass or type of grass predecessors; wherein the unit may be constructed to incorporate the use of a form of living grass that can remain alive during an extended shipping process; wherein the unit may be constructed so that it can be elevated to promote air circulation under the bottom of the disposable container when the pet toilet unit is being used as a pet waste receptacle; wherein the unit may be constructed to have perforations or cut-outs that can be used to create an opening in the container to aid the entry of pets into the unit when it is used as a pet waste receptacle; wherein the unit may be constructed to have perforations or cut-outs that can be used to create an opening in the container to aid the connecting of units together; and wherein the unit may be constructed so that one or more units may be positioned in an adjacent or abutting manner, or joined together in a manner that will create a grass surface area that is larger than the grass surface area of a single pet toilet unit.
 4. A living-grass pet toilet and continuous delivery and replacement method, wherein the unit is designed as a self-contained unit that can both transport the living grass for initial use and can serve as a fully disposable pet commode; wherein the unit may have a fitted or removable cover, fold-back lid, or separate shipping container for convenient shipment of the unit in its entirety.
 5. The living grass pet toilet and continuous delivery and replacement method according to claim 4, wherein the unit has no reusable components that would need periodic cleaning.
 6. The living-grass pet toilet and continuous delivery and replacement method according to claim 4, wherein the living grass can remain alive during shipment; wherein the vitality of the living grass is fostered during shipment by the circulation of air; and wherein the unit has one or more openings that enable air circulation in the unit in a state where the fitted cover is covering the receptacle bottom.
 7. A living-grass pet toilet unit construction and continuous delivery and replacement method, wherein one or more components of the living-grass, fully disposable pet toilet unit may be constructed in a manner and/or treated with various substance(s) and material(s) to prolong the freshness and longevity of the living grass and the structural integrity of the unit during its shipment.
 8. The living-grass pet toilet unit construction and continuous delivery and replacement method according to claim 7, wherein the unit may be constructed in a manner so that an absorbent(s) and/or a supporting structure(s) may be placed under the living grass.
 9. The living-grass pet toilet unit construction and continuous delivery and replacement method according to claim 7, wherein the unit may be constructed in a manner to incorporate the use of a substance(s) and/or a material(s), during or following the unit's construction, to control moisture in the pet toilet unit during its shipment.
 10. The living-grass pet toilet unit construction and continuous delivery and replacement method according to claim 7, wherein the unit may be constructed with, lined with, coated with, treated with, infused with, sprayed with, dusted with, or layered with a substance(s) and/or a material(s), during or following its construction, to render the pet toilet unit resistant to moisture and liquid(s), during its shipment.
 11. The living-grass pet toilet unit construction and continuous delivery and replacement method according to claim 7, wherein the unit may be constructed with, lined with, coated with, treated with, infused with, sprayed with, dusted with, or layered with a substance(s) and/or a material(s), during or following its construction, to render the pet toilet unit resistant to moisture and liquid(s) during its use as a pet waste receptacle following its delivery.
 12. The living-grass pet toilet unit construction and continuous delivery and replacement method according to claim 7, wherein said construction and treatments may incorporate the step of having the container's cover and/or bottom receptacle constructed with, lined with, coated with, treated with, infused with, sprayed with, dusted with, or layered with a substance(s) and/or a material(s), during or following its construction.
 13. The living-grass pet toilet unit construction and continuous delivery and replacement method according to claim 7, wherein said construction and treatments may incorporate steps to foster or create ventilation and air flow within the pet toilet unit during its shipment;
 14. The living-grass pet toilet unit construction and continuous delivery and replacement method according to claim 7, wherein said construction and treatments may incorporate the use of a substance(s) and/or a material(s), during or following the unit's construction, to provide nutrients to the living grass in the pet toilet unit during its shipment.
 15. The living-grass pet toilet unit construction and continuous delivery and replacement method according to claim 7, wherein said construction and treatments may incorporate the use of a substance(s) and/or a material(s), during or following the unit's construction, to maintain the fresh green color of the living grass in the pet toilet unit during its shipment.
 16. The living-grass pet toilet unit construction and continuous delivery and replacement method according to claim 7, wherein said construction and treatments may incorporate the use of a substance(s) and/or a material(s), during or following construction of the unit, to maintain the fresh scent of the living grass in the pet toilet unit during its shipment.
 17. The living-grass pet toilet unit construction and continuous delivery and replacement method according to claim 7, wherein such construction and treatment may incorporate the use of a substance(s) and/or a material(s), during or following the unit's construction, to prevent or mitigate the presence of bugs in the pet toilet unit during its shipment. 